Skin Conditioning
HYDROLYZED ASPERGILLUS/SACCHAROMYCES/RICE FERMENT LEES EXTRACT
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A hydrolyzed sake lees extract from rice double-fermented with Aspergillus and Saccharomyces. Rich in amino acids and ferment byproducts. Long traditional cosmetic use; requires aflatoxin-controlled Aspergillus.
Function
Skin benefits
- Hydrolyzed amino acids highly bioavailable to skin
- Double fermentation (Aspergillus + Saccharomyces) increases metabolite diversity
- Traditional Japanese cosmetic heritage (kasu)
- Skin conditioning and moisture support
Known concerns
- Aspergillus strain selection critical — must use cosmetic-grade non-aflatoxigenic strains
- Allergy risk for severe rice or yeast sensitivities
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related skin conditionings
Same plant / compound family
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.